BALAD, Iraq - Stryker brigade soldiers are certain that sooner or later, they're going to catch the crew that's been lobbing mortars at their base camp. Troops from Fort Lewis' 2nd Battalion, 3rd Infantry Regiment say they'll corner the bad guys trying to flee after an attack, or scoop them up in a raid on their homes. Or bad guys will linger too long at their shoot site and the brigade's artillery will get them. "But what do they do in the interim?" said the battalion's operations officer, Maj. Larry Perino. Mortars have been a consistent threat to U.S. troops...